/*回到顶部*/
.footer_scroll{position: fixed; z-index: 999; right: 11px;bottom: 25px; display:none; }
.footer_scroll a{background:  url(/static/gray/images/top_m.png) no-repeat center;display: block;width: 35px; height: 35px;background-size:35px 35px; opacity: 0.3;filter: alpha(opacity=30);}
.footer_scroll a:hover{background:  url(/static/gray/images/toph_m.png) no-repeat center;display: block;width: 35px; height: 35px;background-size:35px 35px;}
/*底部*/
.footer{ text-align: center; color: #999;  background-color: #ECF0F1;}
.footer  .footer_bb1{width:100%;max-width:640px;margin:0 auto;height:50px;background-color:#ECF0F1;color:#333;margin-top: 30px;font-size: 10px;}